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I-75 at County Road 54 (interchange reconstruction and resurfacing, completed August 2010)

Project Description

Financial Project Numbers: 421831-4
Project Limits: from south of SR 56 to north of CR 54
Project Length: 4.3 miles
Estimated Construction Cost: $33 million
Contractor: The Lane Construction Corporation
Start Date: February 2, 2009
Completed: August 19, 2010

About this Project

The Florida Department of Transportation's (FDOT) contractor has completed improving the interchange at Interstate 75 and County Road 54 (CR 54) to accommodate the future widening of CR 54 by Pasco County and to prepare for the future widening of I-75 to six lanes.

The project included the complete removal and replacement of the existing bridges at CR 54, the resurfacing of I-75 from south of State Road 56 (SR 56) to north of CR 54, and the widening of entrance and exit ramps at CR 54. It also included the construction of retention ponds, mitigation areas and storm drainage.

Project Detours

Detours were necessary when overhead bridge work was done over the width of the eastbound or westbound lanes on CR 54. This work included bridge demolition, placement of bridge beams, and concrete deck pours. The detours were in place during overhead bridge operations at night during off-peak hours.

Improvement Highlights

  • The new bridge construction provides two single-span bridges that extend over CR 54, which eliminated the center pier on CR 54 and should improve motorist safety.
  • The new bridge and road construction provides accommodations for future widening of I-75 to six lanes.
  • The existing roadway was resurfaced from south of SR 56 to north of CR 54, replacing the former asphalt surface that was placed in 1994.
  • The entrance and exit ramps were improved to meet future traffic demands and the future widening of CR 54 under I-75.
    Traffic Flow

    The construction phasing was designed so that all existing lanes of traffic were maintained on I-75 and CR 54 during peak traffic hours.

    Night Work

    In order to maintain the construction schedule and to minimize the impact to the public, it was necessary to perform a considerable amount of work at night. The majority of this work included asphalt paving and bridge construction operations. Lane closures were used during different phases of the project.

    Lane Closure Hours

    Interstate 75: 8 p.m. to 5 a.m.

    County Road 54: 10 p.m. to 5 a.m.

    Interactive Maps

    Zoomify Aerials

    Click on one of the four maps below; a new window will open and the Zoomifyer software will allow you to click on the map to zoom in closer with each click of the mouse.

    Please note: These aerials show additional traffic lanes that will be built in a future project.













    South Project Limits


    Middle of Project Limits


    North Project Limits


    Interchange Detail